L-Tryptophan 1000 mg

Suggested Use

Suggested Use: 1 tablet 1 to 2 times daily; between meals and preferably with fruit juice. To support restful sleep; take 2 tablets before bed.

• 

  Source Naturals L- Tryptophan with Coenzyme B-6

  Herbs Direct4.8(72)

  $14.68
• 

  Best Naturals L-Tryptophan mg 60

  Target4.7(74)

  $9.99Lowest
• 

  NOW Foods L- Tryptophan Double Strength 1000 mg 60 Tablets

  Walmart4.6(1400)

  $19.38
• 

  Vitamatic L- Tryptophan 1000mg 120 Tablets

  Target4.7(331)

  $14.99
• 

  L-Tryptophan Source Naturals

  PureFormulas.com4.6(1100)

  $13.99
• 

  Pure Naturals L- Tryptophan 1000mg Tablets

  Walmart - Vitaminshub4.4(5)

  $9.99Lowest
• 

  Amazing Formulas L- Tryptophan 1000mg Tablets

  Target4.7(315)

  $17.99
• 

  Now Foods L-tryptophan 1000mg Tablets (60-Count)

  Walmart - Fruitful Yield4.6(1400)

  $43.58

Enter your city or ZIP code to find supplement & health stores in your area that may carry this product.

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• GNC

  4.1 (63)

  Vitamin & supplements store

  1698 S Congress Ave, Palm Springs, FL 33461

  Directions(561) 965-5188

• Country Corner Health Foods

  4.8 (61)

  Health food store

  3130 S Congress Ave, Palm Springs, FL 33461

  Directions(561) 439-6800

• Sharp Elite Nutrition

  5.0 (20)

  Vitamin & supplements store

  5708 Azalea Cir, West Palm Beach, FL 33415

  Directions(270) 315-1089

• Be Healthy Herbal Supplements

  5.0 (1)

  Vitamin & supplements store

  3557 Forest Hill Blvd, West Palm Beach, FL 33406

  Directions(561) 308-6317

• HealthXtra

  4.0 (1)

  Vitamin & supplements store

  3677 23rd Ave S STE B107, Lake Worth Beach, FL 33461

  Directions(561) 223-2100

• Well Being Nutrition

  5.0 (4)

  Sports nutrition store

  3093 Lake Worth Rd, Palm Springs, FL 33461

  Directions(561) 215-1864

• The Vitamin Shoppe

  4.7 (85)

  Vitamin & supplements store

  10590 Forest Hill Blvd #200, Wellington, FL 33414

  Directions(561) 784-2565

• Productos naturales West Palm Beach Vital Natural

  3.0 (2)

  Vitamin & supplements store

  1941 S Military Trl # 15G, West Palm Beach, FL 33415

  Directions(561) 543-7929

• L-Tryptophan: Basic Metabolic Functions, Behavioral Research and Therapeutic Indications

  DM Richard, MA Dawes, CW Mathias… - International …, 2009 - journals.sagepub.com

  … healthy nutrition. While typical intake for many individuals is approximately 900 to 1000 mg daily… mg/day 5,12,13 and 425 mg/day, 4,14,15 which translates to a dietary intake of 3.5 to 6.0 …

  2009967 citations

• Oral tryptophan activates duodenal aryl hydrocarbon receptor in healthy subjects: a crossover randomized controlled trial

  GH Rueda, N Causada-Calo… - American Journal …, 2024 - journals.physiology.org

  … and washout periods, with an estimated amount of 1,000 mg l-tryptophan intake per day. … l-tryptophan supplementation, which is not surprising as this study was performed in healthy …

  202428 citations

• Role of tryptophan in health and disease: Systematic review of the anti-oxidant, anti-inflammation, and nutritional aspects of tryptophan and its metabolites

  RB Singh - World Heart Journal, 2019 - search.proquest.com

  … L-Tryptophan is an essential amino acid that is needed for the synthesis of proteins and … ranges are: L-tryptophan (50 -1,000 mg), serotonin/5HTP (50-100 mg), and melatonin (1-10 mg). …

  201958 citations

• The Clinical Spectrum of the Eosinophilia-Myalgia Syndrome Associated with L-Tryptophan Ingestion: Clinical Features in 20 Patients and Aspects of …

  RW Martin, J Duffy, AG Engel, JT Lie… - Annals of internal …, 1990 - acpjournals.org

  … a 38-year-old woman was started on 1000 mg of L-tryptophan nightly to help her sleep. In late … 500 to 2500 mg/d. Sources promoting L-tryptophan use included health-oriented books (9 …

  1990212 citations

• Regulatory toxicity and safety profiling of N-acetyl-L-tryptophan with special emphasis on genotoxicity and male reproductive toxicity via intramuscular route of …

  R Kumar, N Gaurav, V Kumar… - Drug and Chemical …, 2026 - Taylor & Francis

  2026

• … coupled to mass spectrometry in quality assessment of dietary supplements—A case study of tryptophan supplements: release assay, targeted and …

  KA Stępień, J Giebułtowicz - Pharmaceuticals, 2022 - mdpi.com

  … Trp has a positive effect on mood, cognitive functions [30], sleep [31], and a decrease or maintenance of a healthy weight [32]. Response to supplementation is individual and may be …

  20229 citations

Data sourced from the U.S. National Institutes of Health, Office of Dietary Supplements Dietary Supplement Label Database (DSLD) · Label entered 2022-11-22. DSLD Label ID: 274811. This information is provided for educational reference only and is not medical advice. Always follow the product label and consult a doctor or pharmacist before use.